1. If a long-term "GBP vs USD" exchange rate forecast is $1.2425/1.00 using Purchasing power parity and $1.2281/1.00 using Interest rate parity, What would be the interpretation taking into consideration of effect Brexit??
2. If on 9 March 2020 the value of GBP vs USD was $1.31/1.00, later on 19 March 2020 it plunged to dramatically to $1.1437/1.00, and then on 30 March 2020 the value of GBP appreciated to $1.24/1.00. Explain analytically the main reasons for these changes within one month.